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authorFlorin Coras <fcoras@cisco.com>2020-04-01 04:31:21 +0000
committerDave Barach <openvpp@barachs.net>2020-04-01 19:21:45 +0000
commit5da10c4c5501d40366df451703c2ffa3993be8cf (patch)
tree6a649e3e184f33bbb3be67b951f9dfc53325acf4 /src/vcl/vppcom.c
parent805d58c2f65e92d92d47e7543378f557ce7aec96 (diff)
vcl: support sendto for dgrams
Type: improvement Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I2a0fdced6a3ae262b30cda6a51f1fa96c1d44665
Diffstat (limited to 'src/vcl/vppcom.c')
-rw-r--r--src/vcl/vppcom.c61
1 files changed, 26 insertions, 35 deletions
diff --git a/src/vcl/vppcom.c b/src/vcl/vppcom.c
index c509f93557c..03bd32c5446 100644
--- a/src/vcl/vppcom.c
+++ b/src/vcl/vppcom.c
@@ -1652,25 +1652,6 @@ handle:
return vcl_session_handle (client_session);
}
-static void
-vcl_ip_copy_from_ep (ip46_address_t * ip, vppcom_endpt_t * ep)
-{
- if (ep->is_ip4)
- clib_memcpy_fast (&ip->ip4, ep->ip, sizeof (ip4_address_t));
- else
- clib_memcpy_fast (&ip->ip6, ep->ip, sizeof (ip6_address_t));
-}
-
-void
-vcl_ip_copy_to_ep (ip46_address_t * ip, vppcom_endpt_t * ep, u8 is_ip4)
-{
- ep->is_ip4 = is_ip4;
- if (is_ip4)
- clib_memcpy_fast (ep->ip, &ip->ip4, sizeof (ip4_address_t));
- else
- clib_memcpy_fast (ep->ip, &ip->ip6, sizeof (ip6_address_t));
-}
-
int
vppcom_session_connect (uint32_t session_handle, vppcom_endpt_t * server_ep)
{
@@ -3568,20 +3549,8 @@ vppcom_session_recvfrom (uint32_t session_handle, void *buffer,
uint32_t buflen, int flags, vppcom_endpt_t * ep)
{
vcl_worker_t *wrk = vcl_worker_get_current ();
+ vcl_session_t *session;
int rv = VPPCOM_OK;
- vcl_session_t *session = 0;
-
- if (ep)
- {
- session = vcl_session_get_w_handle (wrk, session_handle);
- if (PREDICT_FALSE (!session))
- {
- VDBG (0, "sh 0x%llx is closed!", session_handle);
- return VPPCOM_EBADFD;
- }
- ep->is_ip4 = session->transport.is_ip4;
- ep->port = session->transport.rmt_port;
- }
if (flags == 0)
rv = vppcom_session_read (session_handle, buffer, buflen);
@@ -3593,14 +3562,17 @@ vppcom_session_recvfrom (uint32_t session_handle, void *buffer,
return VPPCOM_EAFNOSUPPORT;
}
- if (ep)
+ if (ep && !rv)
{
+ session = vcl_session_get_w_handle (wrk, session_handle);
if (session->transport.is_ip4)
clib_memcpy_fast (ep->ip, &session->transport.rmt_ip.ip4,
sizeof (ip4_address_t));
else
clib_memcpy_fast (ep->ip, &session->transport.rmt_ip.ip6,
sizeof (ip6_address_t));
+ ep->is_ip4 = session->transport.is_ip4;
+ ep->port = session->transport.rmt_port;
}
return rv;
@@ -3615,8 +3587,27 @@ vppcom_session_sendto (uint32_t session_handle, void *buffer,
if (ep)
{
- // TBD
- return VPPCOM_EINVAL;
+ vcl_worker_t *wrk = vcl_worker_get_current ();
+ vcl_session_t *s;
+
+ s = vcl_session_get_w_handle (wrk, session_handle);
+ if (!s)
+ return VPPCOM_EBADFD;
+
+ if (s->session_type != VPPCOM_PROTO_UDP)
+ return VPPCOM_EINVAL;
+
+ /* Session not connected/bound in vpp. Create it by 'connecting' it */
+ if (PREDICT_FALSE (s->session_state == STATE_CLOSED))
+ {
+ vcl_send_session_connect (wrk, s);
+ }
+ else
+ {
+ s->transport.is_ip4 = ep->is_ip4;
+ s->transport.rmt_port = ep->port;
+ vcl_ip_copy_from_ep (&s->transport.rmt_ip, ep);
+ }
}
if (flags)